Refactoring: Change all -FileUtils non-Singleton and to own underlying FileUtils.

webkit/fileapi/file_system_file_util.cc

Index: webkit/fileapi/file_system_file_util.cc
diff --git a/webkit/fileapi/file_system_file_util.cc b/webkit/fileapi/file_system_file_util.cc
index 7765962ca4a1f4404500b57d1a44ccd53d1c5054..afb6453b55e4c87275f5e857f4d7200da9cff76d 100644
--- a/webkit/fileapi/file_system_file_util.cc
+++ b/webkit/fileapi/file_system_file_util.cc
@@ -8,7 +8,6 @@
 #include <vector>
 
 #include "base/file_util_proxy.h"
-#include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "webkit/fileapi/file_system_operation_context.h"
 
@@ -29,11 +28,6 @@ bool ParentExists(FileSystemOperationContext* context,
 
 }  // namespace
 
-// static
-FileSystemFileUtil* FileSystemFileUtil::GetInstance() {
-  return Singleton<FileSystemFileUtil>::get();
-}
-
 PlatformFileError FileSystemFileUtil::CreateOrOpen(
     FileSystemOperationContext* unused,
     const FilePath& file_path, int file_flags,